Golang Route53.ChangeResourceRecordSets方法代碼示例

func cleanupDomain(r53 *route53.Route53, id string) {
	// delete all non-default SOA/NS records
	rrsets, err := cli53.ListAllRecordSets(r53, id)
	fatalIfErr(err)
	changes := []*route53.Change{}
	for _, rrset := range rrsets {
		if *rrset.Type != "NS" && *rrset.Type != "SOA" {
			change := &route53.Change{
				Action:            aws.String("DELETE"),
				ResourceRecordSet: rrset,
			}
			changes = append(changes, change)
		}
	}

	if len(changes) > 0 {
		req2 := route53.ChangeResourceRecordSetsInput{
			HostedZoneId: &id,
			ChangeBatch: &route53.ChangeBatch{
				Changes: changes,
			},
		}
		_, err = r53.ChangeResourceRecordSets(&req2)
		if err != nil {
			fmt.Printf("Warning: cleanup failed - %s\n", err)
		}
	}

	req3 := route53.DeleteHostedZoneInput{Id: &id}
	_, err = r53.DeleteHostedZone(&req3)
	if err != nil {
		fmt.Printf("Warning: cleanup failed - %s\n", err)
	}
}

func deleteRoute53RecordSet(conn *route53.Route53, input *route53.ChangeResourceRecordSetsInput) (interface{}, error) {
	wait := resource.StateChangeConf{
		Pending:    []string{"rejected"},
		Target:     []string{"accepted"},
		Timeout:    5 * time.Minute,
		MinTimeout: 1 * time.Second,
		Refresh: func() (interface{}, string, error) {
			resp, err := conn.ChangeResourceRecordSets(input)
			if err != nil {
				if r53err, ok := err.(awserr.Error); ok {
					if r53err.Code() == "PriorRequestNotComplete" {
						// There is some pending operation, so just retry
						// in a bit.
						return 42, "rejected", nil
					}

					if r53err.Code() == "InvalidChangeBatch" {
						// This means that the record is already gone.
						return resp, "accepted", nil
					}
				}

				return 42, "failure", err
			}

			return resp, "accepted", nil
		},
	}

	return wait.WaitForState()
}

func upsertRecordOnRoute53(ipAddress string, fqdn string, svc *route53.Route53, verbose bool) {
	// Extract the domain from the fully qualified domain name
	r, _ := regexp.Compile("^([^\x2E]*)\x2E(.*)$")
	toks := r.FindStringSubmatch(fqdn)
	domain := toks[2]

	// http://docs.aws.amazon.com/sdk-for-go/api/service/route53/Route53.html#ListHostedZonesByName-instance_method
	resources, err := svc.ListHostedZonesByName(&route53.ListHostedZonesByNameInput{
		DNSName:  aws.String(domain + "."),
		MaxItems: aws.String("1"),
	})

	if err != nil {
		fmt.Println("ERR: err.Error()", err)
		os.Exit(1)
	}
	if len(resources.HostedZones) != 1 {
		fmt.Printf("ERR: Could not find the domain %s\n", domain)
		os.Exit(1)
	}
	if *resources.DNSName != domain+"." {
		fmt.Printf("ERR: Could not find the domain %s - %s \n", domain, *resources.DNSName)
		os.Exit(1)
	}

	zoneIDToks := strings.Split(*resources.HostedZones[0].Id, "/")
	zoneID := zoneIDToks[len(zoneIDToks)-1]

	resp, err := svc.ListResourceRecordSets(&route53.ListResourceRecordSetsInput{
		StartRecordName: aws.String(fqdn),
		StartRecordType: aws.String("A"),
		HostedZoneId:    aws.String(zoneID),
		MaxItems:        aws.String("1"),
	})
	if err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}
	var foundResource bool
	if len(resp.ResourceRecordSets) != 1 {
		foundResource = false
	} else {
		foundResource = *resp.ResourceRecordSets[0].Name == fqdn+"."
		if foundResource {
			for _, record := range resp.ResourceRecordSets[0].ResourceRecords {
				if *record.Value == ipAddress {
					if verbose {
						fmt.Printf("INFO: %s already registered in route53 as %s\n", ipAddress, fqdn)
					}
					return
				}
			}
		}
	}
	// Make an A-record:
	resourceRecordSet := &route53.ResourceRecordSet{
		Name: aws.String(fqdn + "."),
		Type: aws.String("A"),
		ResourceRecords: []*route53.ResourceRecord{
			&route53.ResourceRecord{
				Value: aws.String(ipAddress),
			},
		},
		TTL: aws.Int64(300),
	}

	// Wrap it as an UPSERT
	upsert := []*route53.Change{&route53.Change{
		Action:            aws.String("UPSERT"),
		ResourceRecordSet: resourceRecordSet,
	}}

	// Put it into a pretty envelope with a stamp for route53#zoneId and change ticket
	params := route53.ChangeResourceRecordSetsInput{
		ChangeBatch: &route53.ChangeBatch{
			Changes: upsert,
		},
		HostedZoneId: aws.String(zoneID),
	}

	// Post it
	changeResp, err := svc.ChangeResourceRecordSets(&params)

	if err != nil {
		fmt.Println("ERR: ", err.Error(), changeResp)
		os.Exit(1)
	}

	// Done
	if verbose {
		fmt.Printf("INFO: Submitted change for zoneId %s to register %s as %s\n", zoneID, ipAddress, fqdn)
	}
}